fix: copy PDBs for EFI targets

EFI also uses the PE format with .pdb files, and rustc generates them,
but Cargo does not copy them out of target/*/deps. This is an oversight,
so this PR fixes it.

Related: rust-osdev/uefi-rs#289
Related: #5179

src/cargo/core/compiler/build_context/target_info.rs

@@ -465,7 +465,7 @@ impl TargetInfo {
                     // the names to match.
                     should_replace_hyphens: false,
                 })
-            } else if target_triple.ends_with("-msvc") {
+            } else if target_triple.ends_with("-msvc") || target_triple.ends_with("-uefi") {
                 ret.push(FileType {
                     suffix: ".pdb".to_string(),
                     prefix: prefix.clone(),

tests/testsuite/build.rs

@@ -5311,6 +5311,35 @@ fn uplift_pdb_of_bin_on_windows() {
     assert!(!p.target_debug_dir().join("d.pdb").exists());
 }
 
+#[cargo_test]
+fn uplift_pdb_of_bin_for_efi() {
+    let p = project()
+        .file(
+            "src/main.rs",
+            r#"
+#![no_std]
+#![no_main]
+
+#[panic_handler]
+fn panicked(_: &core::panic::PanicInfo) -> ! {
+    loop {}
+}
+
+#[no_mangle]
+extern "C" fn efi_main() -> ! {
+    loop {}
+}
+"#,
+        )
+        .build();
+
+    p.cargo("build --target x86_64-unknown-uefi").run();
+    assert!(p
+        .build_dir()
+        .join("x86_64-unknown-uefi/debug/foo.pdb")
+        .is_file());
+}
+
 #[cargo_test]
 #[cfg(target_os = "linux")]
 fn uplift_dwp_of_bin_on_linux() {